Nuvoton - CWE-1300: Improper Protection of Physical Side Channels

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Summary

CVECVE-2026-6923
StatePUBLISHED
AssignerINCD
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-14 17:16:24 UTC
Updated2026-05-14 18:24:08 UTC
DescriptionA side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.

Risk And Classification

Primary CVSS: v3.1 3.8 LOW from [email protected]

CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.000190000 probability, percentile 0.052680000 (date 2026-05-25)

Problem Types: CWE-1300 | CWE-1300 CWE-1300 Improper protection of physical side channels

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary3.8LOWCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS3.8LOWCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Physical
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nuvoton NPCT7xx affected all versions below 7.2.4.0 cpe Not specified

References

ReferenceSourceLinkTags
www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing [email protected] www.gov.il
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Robin Muller, Roman Korkikian - uSec (en)

Additional Advisory Data

Solutions

CNA: Upgrade to version 7.2.4.0 or above.

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